Find OneDrive and SharePoint file restrictions, upload and sync limits, account limits, and steps to troubleshoot file names, permissions, and sync problems.

Criminals use phishing attacks, malware, and tech support scams to try and steal your information and your money. Learn how to stop them.

若要举报行为方式不适宜或发布不适宜内容的玩家： 按 XBOX 按钮 打开导航页，转到“用户”，然后执行以下操作之一查找你要举报的玩家： 如果玩家是好友，请选择“好友”，然后选择其玩家代号。 如果玩家不是好友，请选择“最近一起玩过游戏的玩家”，或者选择“查找某人”并输入该玩家的 ...

如果這是您第一次變更玩家代號，您可以免費變更一次。 無論是我們是在您第一次註冊 XBOX 時自動為您建立的 (表示不是您自己) 選擇的，還是您在註冊時建立了自己的玩家代號，這都無關。

Provides guidance for Windows Server to protect against an L1 terminal fault (LITF) attack.

When Teams detects potential spam or phishing activity (also known as impersonation) from someone requesting to chat with you from outside your organization, you’ll see a notification. Impersonation is a common type of cyberattack where the sender adopts the identity of a specific person or entity with the intention of deceiving the recipient. When you see the following screen in a one-on ...

新 XBOX 玩家代號支援最多 15 個字元的唯一英數字元名稱，或您所選擇最多 12 個字元的 Unicode 名稱，如果玩家代號是共用的，則會附有自動產生的尾碼。 我們為遊戲玩家提供 13 種不同的字母系統，支援全球 200 多種語言。

为了帮助你更好地了解我们的流程，我们提供了每种强制措施类型的详细信息以及这些措施对你的 XBOX 档案或设备的影响。

A popular tactic of criminals is the "fake order" scam. The way it works is that you get a message, usually in email or text, that appears to be a routine confirmation for an order. Of course, you never ordered whatever product or service it's confirming. The message looks common enough, and it says that money will be charged to your credit card or withdrawn from your bank account for the ...

Learn about Microsoft security features and settings to help you secure and protect your business.